Alloy Spring Flat Steel
Alloy Spring Flat Steel is a high-strength steel strip with alloying elements such as silicon, chromium, manganese, and vanadium. These elements improve the steel’s toughness, elasticity, and fatigue resistance, making it ideal for heavy-duty spring applications and high-performance industrial components. After quenching and tempering, alloy spring steel provides excellent durability and reliable performance under repeated stress.
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Product Description

Specifications

Parameter

Description / Range

Material Grades

50CrV, 55SiCr, 51CrV4, 60SiCr7

Standard

GB/T 4354, ASTM A228, DIN EN 10089

Shape

Flat strip / rectangular cross-section

Width

5mm – 100mm (customizable)

Thickness

0.3mm – 10mm (customizable)

Hardness

HRC 45 – 55 (after quenching & tempering)

Tensile Strength

1300 – 1900 MPa

Surface Finish

Polished, Black, Pickled

Length

1m – 6m (standard) or customized

Heat Treatment

Quenching + Tempering

Certification

ISO 9001, SGS


Applications:

  • Automotive and truck suspension springs

  • Heavy machinery and industrial equipment

  • High-speed machinery springs

  • Agricultural equipment and precision tools

  • Aerospace and specialized engineering springs


Features:

  • High strength and excellent fatigue resistance

  • Superior elasticity and toughness under repeated stress

  • Suitable for heavy-load and high-performance applications

  • Precise dimensions for easy processing and assembly

  • Long service life in demanding environments


Spring Flat Steel Product Display

flat bar


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